Honda HRS216PKA Manual page 16

HRS216PKA • HRS216SKA • HRS216VKA
7. TROUBLESHOOTING
ENGINE
Hard Starting or Won't Start Using the Recoil Starter
Make sure the fuel valve is ON.
Check the fuel level.
Sufficient fuel in tank
Confirm the fuel quality. If gasoline is more
than 30 days old, the engine may be hard to
start.
Fresh fuel
Manually pull and hold the flywheel brake arm
on the engine, and then try to start the engine.
Does not start
Check the air filter.
Clean
Remove the spark plug and inspect
(P. 3-8).
Dry
Install the spark plug in the plug cap and
perform the spark test (P.
Good spark
Check the choke butterfly with the engine cold.
Choke closed
Install a compression gauge in the spark plug
hole (P. 2-16) and crank the engine several
times.
Compression normal
Remove (P. 7-1), disassemble
NORMAL COMPRESSION
clean the carburetor (P. 7-4).
Install the spark plug and restart the engine.
2-21).
(P. 7-3), and
SERVICE BULLETIN #106 =>
No fuel in tank
Stale fuel
Starts
Clogged
Wet
No or weak spark
Choke partially open
Compression is
high (>80 psi)
Compression
is too low
SERVICE INFORMATION
Refuel.
Drain the fuel system, and refill with
fresh gasoline.
Replace the flywheel brake cable.
Clean or replace the air filter.
• Install a new spark plug, then restart
the engine.
• Check the carburetor for flooding.
• Check the ignition coil air gap
See "CHOKE CONTROL SYSTEM
(ACS)" (P. 2-22).
Check the valve clearance
(P. 3-12), and then perform the cylinder
compression test (P. 2-16).
If compression is still high (>80 psi),
inspect the starting decompression
system (P. 2-16).
Check the valve clearance
and then perform the cylinder
compression test. If the cylinder
compression is still too low, perform a
leak down test.
If the air leak down test shows air
leakage, check the following as
determined by the test:
- Valve seat width (P. 9-20)
- Valve face irregularly worn
- Piston ring side clearance
- Piston ring width (P. 9-15)
- Piston ring end gap (P. 9-16)
- Piston skirt O.D. (P. 9-15)
(P. 8-5).
(P. 3-12),
(P. 9-10)
(P. 9-16)
2-7